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Installer force me to create /SWAP during upgrade even I have swap partiton on my first disk: Disk /dev/hda: 255 heads, 63 sectors, 4865 cylinders Units = cylinders of 16065 * 512 bytes Device Boot Start End Blocks Id System /dev/hda1 * 1 319 2562336 b Win95 FAT32 /dev/hda2 320 472 1228972+ 17 Hidden HPFS/NTFS /dev/hda3 473 4865 35286772+ f Win95 Ext'd (LBA) /dev/hda5 473 727 2048256 83 Linux /dev/hda6 728 1747 8193118+ b Win95 FAT32 /dev/hda7 1748 4832 24780231 b Win95 FAT32 /dev/hda8 4833 4865 265041 82 Linux swap Also - I have 256MB RAM so why /SWAP is needed during upgrade?
This is documented in the release notes: o Swap-related issues -- The 2.4 kernel is more aggressive than the 2.2 kernel in its use of swap space. However, as with previous versions of the kernel, the optimal sizing of swap space remains dependent on the following: - The amount of RAM installed - The amount of disk space available for swap - The applications being run - The mix of applications that are run concurrently No rule-of-thumb can possibly take all these data points into account. However, we recommend the following swap sizes: - Single-user systems with less than 128MB physical RAM: 256MB - Single-user systems and low-end servers with more than 128MB physical RAM: two times physical RAM (2xRAM) - Dedicated servers with more than 512MB physical RAM: highly dependent on environment (must be determined on a case-by-case basis) While it is certainly possible for systems with specific configurations and application loads to run with less (or even no) swap space, these guidelines attempt to ensure that you will not run out of swap. The old saying certainly applies to swap space: "It's better to have it and not need it, than to need it and not have it." o Swap-related issues specific to upgrades -- If you are performing a fresh Red Hat Linux 7.1 installation, the sizing of swap partitions is a relatively-straightforward process. However, if you have an older Red Hat Linux system that you wish to upgrade to Red Hat Linux 7.1, please keep in mind that the size of the swap partition(s) you had previously created may no longer be sufficient. The Red Hat Linux 7.1 installation program now examines the available swap space. If insufficient swap space exists, it will configure additional swap space in the form of a swap file. The installation program will do this by asking you to select a partition on which to create a swap file. You will also be asked for the desired size of the new swap file. (NOTE: In no instance will the Red Hat Linux 7.1 installation program create a swap partition or file larger than 2GB. Should your swap requirements exceed this size, you will need to address this after the installation has completed.)